Tell us any problem that was impossible or really difficult to mend. HDMI connector was fully operational after my attentive and arduous repairs.

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This is what I fixed only the entire bent head slipped off. It may look simple though the experts apparently would have cut off the entire head all the way to the plastic bulge and bought another bulge and welded on the complex wires. Tsk difficult or beyond repair.

I used the old hammer, wrench, needle and eyesight. I had the determination and was stubborn on fixing it. Like a madman I ignored the whole that it's over unless you can weld like a pro. Which I couldn't obviously.

It proves if you stick to your guns you'll get it done.

After simply aligning the fine metal strands using the needle I inserted the head conncetor back in place several times until everything was in the fine slits. Then I plugged it back in and it didn't work.

I examined the undamaged other end of the connector to see what was different. It needed to be pushed in further. I brought the hammer in and held the handle part of the connector and bashed in the metal head.

I did this repeatedly until I was satisifed and it was damaged and squashed quite badly. I then got a Philips screwdriver and then inserted it inbetween the now almost vanished gap where it slides into the HDMI socket.

It wouldn't plug in right. The metal layer was too bent and peeling. So I then used a wrench to squeeze the edges while the philips screwdriver remained plugged in; precautionary so the slit doesn't disappear as I squeeze.

I plugged it in my computer as I would be able to wriggle it until it would work. I did just that and like that it was working again. It was a quality 2m HDMI cable. Saved myself $40 like a champ.

Ahh so what have you salvaged that was deemed impossible or a waist of time?

I've fixed a psu even though that's one thing in a computer that you should never, ever fix you should always replace them. I jus ttook a soldering gun to it and used my epic leet skills and owned it into submission.

I've fixed a lot of things. i fixed my first radio when i was about 5 . I've fixed a ps2, ps2 controller a couple of CD/DVD drivers and VHS/DVD players a Printer a PSU a couple of headset and a a lot of software/hardware problems on laptops and desktops and a lot of other small stuff.

My computer was overheating this morning when showing multimedia videos for my students. I put it in the freezer for 30 minutes and now it works perfect.

did the same thing with a game console when i was a kid ^^ it worked

You should never put you laptop (game console) in your refrigerator or freezer to cool down its temperature
The moist and condensation will damage the key components in your laptop (game console).
I just thought i should mention it if it wasn't too obvious.

my job is fixing computer software and hardware problem...well the hardest to fix is 'user problem' (u know what i mean)
but i manage just fine....
ok ok the real hardest thing i fixed ?
getting a 90° bended cpu pin to its orginal postion without broken the pin.(the cpu still alive till today)
thats is the hardest sh1t i ever fix

Changed the engine in a car that wasnt running properly while i was apprentice.
New engine wouldnt start when warm. Other technicians at work scratched their heads for quite some time (2 weeks) until I finally got to come with a suggestion. 2 hours later I had fixed the problem. Oil pressure was too high (over 10 times too high), and with a small software configuration the problem was gone.
Yay me!